TY - JOUR T1 - On a Supposed Alteration in the Amount of Astronomical Aberration of Light, Produced by the Passage of the Light through a Considerable Thickness of Refracting Medium JF - Proceedings of the Royal Society of London (1854-1905) VL - 20 SP - 35 EP - 39 PY - 1871/01/01/ UR - http://dx.doi.org/10.1098/rspl.1871.0011 M3 - doi:10.1098/rspl.1871.0011 AU - Airy, G. ER -